Why is the Belled Bird vomiting?

Belling birds vomit because they eat too much.This bird is generally placed in a bamboo cage. The diameter at the bottom is about 35-40 cm, and the height is between 40-50 cm. The top can be flat or the top of the steamed bun.The bird cage should hang food tanks, water irrigation, and pots. Usually mainly feed homemade bait. First, stir -fry the mung beans or peas to half cooked, then grind it into noodles, mix the eggs and stir well, and dry it.Feed a little bit every day.